Finding the Third Proportional to 456,409.69 and 976,138.59

Step by Step Solution

1. Step 1: Write the proportion equation
   456,409.69 : 976,138.59 = 976,138.59 : x
2. Step 2: Convert to fraction form
   456,409.69/976,138.59 = 976,138.59/x
3. Step 3: Cross multiply
   456,409.69x = 976,138.59 × 976,138.59
4. Step 4: Simplify right side
   456,409.69x = 952,846,554,208.23
5. Step 5: Solve for x
   x = 952,846,554,208.23/456,409.69
6. Step 6: Final answer
   x = 2,087,700.11